| Full name: | Derek William Thomas Drennan |
| Born: | 28th September 1937, Ashburton, Mid-Canterbury, New Zealand |
| Died: | 16th September 2025, Christchurch, Canterbury, New Zealand |
| Relations: | Brother: RW Drennan |
| Teams: | Ashburton County (Miscellaneous: 1954/55-1956/57) |
| Lists of matches and more detailed statistics | |